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to some may be considered an extreme sport, to others it is a hobby. requires a discipline that is not readily required by other sports. While can be considered a skill that seems simple, it is not. is defined by the Encarta encyclopedia as - , sport parachuti ....

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.... or , became popular. A parachute is about 7.3 m (about 24 ft) in diameter and made of about 25 panels of nylon or silk. Shroud lines, sewn into the panels' seams, connect to metal rings on the parachutist's harness. The parachutist wears the folded parachute in a canvas pack that flies open when he or she pulls the ripcord. Parachutists pull the ripcord about three seconds after they jump, to make sure they are clear of the plane when the parachute opens. Parachutists descend at about 5.2 m (about 17 ft) per second. To date worldwide there are 540,000 skydivers and there has been 5,563,000 jumps made. To jump there are some thing one must know and ....